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Cable Modem (CM) Mode
Fig. 3-2 Cable Modem Mode
Fig. 3-3 Two IP stacks are activated in cable modem mode
CM (Cable Modem) Mode provides basic home networking. In this mode, two IP stacks are active:
IP Stack 1 - for use by the cable company to communicate with the cable modem section only. This stack
receives its IP address from the cable company during CM initialization. It uses the MAC address printed
on the label attached to the Wireless Cable gateway.
IP Stack 2 - for use by you, the end user, to communicate with the cable modem and Networking
sections, to access the internal web page diagnostics and configuration. This stack uses a fixed IP address:
192.168.100.1. It uses a MAC address 00:10:95:FF:FF:FE.
With CM Mode, your cable company must provide one IP address for the CM section, plus one for each PC
you connect from their pool of available addresses. Your cable company may have you or your installer
manually enter these assigned addresses into your PC, or use a DHCP Server to communicate them to your
PCs, or use a method that involves you entering host names into your PCs.
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